Answer:
A.
Step-by-step explanation:
16.79+28.49=45.28
50-45.28=4.72
Kelly would get $4.75 back
Answer:
(b) the unknown angle is 80°
Step-by-step explanation:
The unkown angle is:
[2(x-10)]°
Substituting "x" by 50 (part a)
[2(50-10)]°=[2(40)]°=80°
Answer:
25 km
Step-by-step explanation:
1 km in 4m
so
100/4 = 25
25km
Answer:
it will be 8xy
Step-by-step explanation:
2x+6y=-6
2x+6y=8xy